G105 Drill Pipe

G105 Drill Pipe

1) Stand: API 5D    

2) Grade: G105   

3) OD: 2"-5"(10-610mm)

4) WT: 4mm-16mm    

5) Length: 4-12m    

Outer Diameter: 2"-5"(10-610mm)      　　

Wall Thickness: 4mm-16mm       

Integral heavy weight Drill Pipe   

The drill collars are made of modified AISI 4145H chromium molybdenum alloy steel. 

These drill collar bars are full-length heat treated and water quenched to obtain ASTM A-370 mechanical properties. 

Full mechanical and chemical mill test certifications are supplied with all drill collars. 

These mill test certifications guarantee a hardness range of 285 to 341 BHN and an impact value of 40 ft.-lbs. at room temperature one inch below the surface.